Update Mailchimp API version to 3.0.

Author: Duncan Rumbold

examples/mailchimp.php

@@ -41,7 +41,7 @@
     $token = $mailchimpService->requestAccessToken($_GET['code']);
 
     // Send a request with it
-    $result = $mailchimpService->request('/users/profile.json');
+    $result = $mailchimpService->request('/');
 
     header('Content-Type: application/json');
     echo $result; exit;

src/OAuth/OAuth2/Service/Mailchimp.php

@@ -106,7 +106,7 @@ protected function setBaseApiUri(StdOAuth2Token $token)
         $meta = json_decode($response, true);
 
         // Set base api uri.
-        $this->baseApiUri = new Uri('https://'. $meta['dc'] .'.api.mailchimp.com/2.0/');
+        $this->baseApiUri = new Uri('https://'. $meta['dc'] .'.api.mailchimp.com/3.0/');
 
         // Allow chaining.
         return $this;